LTC1343 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1343 Datasheet PDF : 28 Pages
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TEST CIRCUITS
A
VOD
B
RL
50Ω
RL VOC
50Ω
1343 F01
Figure 1. RS422 Driver Test Circuit
LTC1343
B
RL
A
100Ω
CL
100pF
B
CL
100pF
A
R
15pF
1343 F02
Figure 2. RS422 Driver/Receiver AC Test Circuit
DB
VOD
A
50Ω
125Ω
50Ω
VCM 125Ω
50Ω
B
A
50Ω
R
15pF
1343 F03
Figure 3. V.35 Driver/Receiver Test Circuit
D
A
CL
RL
1343 F04
Figure 4. V.10/V.28 Driver Test Circuit
D
AA
R
15pF
1343 F04
Figure 5. V.10/V.28 Receiver Test Circuit
W
U
ODE SELECTIO
LTC1343 MODE NAME
M2
M1 M0 CTRL/CLK D1
D2
D3
D4 R1
R2
R3
R4
V.10, RS423
0
0
0
X
V.10 V.10 V.10 V.10 V.10 V.10 V.10 V.10
EIA-530-A Clock and Data
0
0
1
0
V.10 V.11 V.11 V.11 V.11 V.11 V.11 V.10
EIA-530-A Control
0
0
1
1
V.10 V.11 V.10 V.11 V.11 V.10 V.11 V.10
Reserved
0
1
0
X
V.10 V.11 V.11 V.11 V.11 V.11 V.11 V.10
X.21
0
1
1
X
V.10 V.11 V.11 V.11 V.11 V.11 V.11 V.10
V.35 Clock and Data
1
0
0
0
V.28 V.35 V.35 V.35 V.35 V.35 V.35 V.28
V.35 Control
1
0
0
1
V.28 V.28 V.28 V.28 V.28 V.28 V.28 V.28
EIA-530, RS449, V.36
1
0
1
X
V.10 V.11 V.11 V.11 V.11 V.11 V.11 V.10
V.28, RS232
1
1
0
X
V.28 V.28 V.28 V.28 V.28 V.28 V.28 V.28
No Cable
1
1
1
X
Z
Z
Z
Z
Z
Z
Z
Z
7
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